Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating activities
Net income	$ 807	$ 713
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	327	317
Deferred income taxes	(75)	46
Provision for bad debts	5	4
Share-based compensation expense	64	62
Asset impairments and other non-cash items	9	6
Foreign currency transaction losses	3	19
Changes in other operating assets and liabilities, net of effect of acquisitions
Decrease in trade accounts receivable	133	105
Decrease in deferred revenue	(429)	(420)
(Decrease) increase in taxes payable, net	(247)	74
Increase (decrease) in accounts payable, accrued expenses and other	20	(37)
Decrease in accrued salaries, wages and commissions	(57)	(66)
Changes in other operating assets and liabilities	(33)	15
Net cash provided by operating activities	527	838
Investing activities
Acquisitions of businesses, net of cash acquired, and purchased software	(127)	(18)
Purchases of property and equipment	(52)	(41)
Proceeds from sale of assets	12	0
Capitalized software development costs	(39)	(122)
Purchases of short-term investments	(9)	(346)
Maturities of short-term investments	184	163
Other investing activities	(1)	2
Net cash used in investing activities	(32)	(362)
Financing activities
Dividends paid	(341)	(349)
Purchases of common stock	(340)	(421)
Notional pooling borrowings	2,577	791
Notional pooling repayments	(2,603)	(787)
Debt borrowings	498	0
Debt repayments	(12)	(9)
Debt issuance costs	(5)	0
Exercise of common stock options and other	74	22
Net cash used in financing activities	(152)	(753)
Effect of exchange rate changes on cash	38	(49)
Increase (decrease) in cash and cash equivalents	381	(326)
Cash and cash equivalents at beginning of period	2,593	2,679
Cash and cash equivalents at end of period	$ 2,974	$ 2,353